How should I make a move point of 0.1 instead of free move
You can move an object along its local axes by pressing G, Axis, Amount.
For example GY2

You can an object along it three axis by pressing G, X Amount, &#8633; Tab, Y Amount, &#8633; Tab, Z Amount.
For example G&#8633; Tab5&#8633; Tab3&#8633; Tab4.

You can move an object perpendicular to the view, by creating a camera (which starts aligned to the view), rotating the camera on the view plane, and moving the object along a cameras axis.


 RMB select the object and snap the cursor to it &#8679; ShiftSCursor to selected.
&#8679; ShiftA > Camera, to add a camera.
R to rotate it.
GXX0.5, to move it 0.5 along its local X axis.
&#8679; ShiftS > Cursor to selected, to snap the cursor to the camera.
X to delete the camera.
 RMB click to select the object.
&#8679; ShiftS > Selection to Cursor